package com.xiaochangwei.web.interceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import com.xiaochangwei.web.utils.Constant;

/**
 * @since 2017年3月9日 下午5:42:11
 * @author 肖昌伟 317409898@qq.com
 * @description
 */
public class LoginCheckInterceptor implements HandlerInterceptor {

	@Override
	public void afterCompletion(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2, Exception arg3)
			throws Exception {

	}

	@Override
	public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2, ModelAndView arg3)
			throws Exception {

	}

	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object object) throws Exception {
		if (request.getSession().getAttribute(Constant.SESSION) == null) {
			response.sendRedirect(request.getContextPath() + "/login.html");
			return false;
		}
		return true;
	}

}
